Recent forecast model runs from sources including the China Meteorological Administration indicate peak temperatures in Guangzhou on August 12 likely reaching 37–38°C under partly cloudy conditions with limited precipitation, positioning these as the dominant market outcomes at combined implied probabilities exceeding 80%. Subtropical monsoon influences sustain high humidity and heat indices, while steering patterns and minimal cloud cover favor daytime maxima near or above historical August averages of 33–34°C. Updated guidance over the past 48 hours has reinforced this range without major downward revisions from tropical moisture or stronger monsoon surges, though slight model spread around intensification of afternoon convection keeps a modest probability on 39°C.